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  1. ematkho@matthewkhouzam:~$ strace lttng -vv create session
  2. execve("/usr/bin/lttng", ["lttng", "-vv", "create", "session"], [/* 41 vars */]) = 0
  3. brk(0)                                  = 0x98e7000
  4. access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
  5. mmap2(NULL, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77d8000
  6. access("/etc/ld.so.preload", R_OK)      = -1 ENOENT (No such file or directory)
  7. open("/etc/ld.so.cache", O_RDONLY)      = 3
  8. fstat64(3, {st_mode=S_IFREG|0644, st_size=112860, ...}) = 0
  9. mmap2(NULL, 112860, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb77bc000
  10. close(3)                                = 0
  11. access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
  12. open("/usr/lib/i386-linux-gnu/liblttngctl.so.0", O_RDONLY) = 3
  13. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0 \23\0\0004\0\0\0"..., 512) = 512
  14. fstat64(3, {st_mode=S_IFREG|0644, st_size=21924, ...}) = 0
  15. mmap2(NULL, 28876, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb77b4000
  16. mmap2(0xb77b9000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x4) = 0xb77b9000
  17. mmap2(0xb77bb000, 204, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb77bb000
  18. close(3)                                = 0
  19. access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
  20. open("/lib/libpopt.so.0", O_RDONLY)     = 3
  21. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0p\27\0\0004\0\0\0"..., 512) = 512
  22. fstat64(3, {st_mode=S_IFREG|0644, st_size=42852, ...}) = 0
  23. mmap2(NULL, 45644, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb77a8000
  24. mmap2(0xb77b2000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9) = 0xb77b2000
  25. close(3)                                = 0
  26. access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
  27. open("/lib/i386-linux-gnu/libpthread.so.0", O_RDONLY) = 3
  28. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200[\0\0004\0\0\0"..., 512) = 512
  29. fstat64(3, {st_mode=S_IFREG|0755, st_size=124745, ...}) = 0
  30. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77a7000
  31. mmap2(NULL, 107016, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb778c000
  32. mmap2(0xb77a3000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x16) = 0xb77a3000
  33. mmap2(0xb77a5000, 4616, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb77a5000
  34. close(3)                                = 0
  35. access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
  36. open("/lib/i386-linux-gnu/libc.so.6", O_RDONLY) = 3
  37. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0p\222\1\0004\0\0\0"..., 512) = 512
  38. fstat64(3, {st_mode=S_IFREG|0755, st_size=1544392, ...}) = 0
  39. mmap2(NULL, 1554968, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7610000
  40. mmap2(0xb7786000, 12288, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x176) = 0xb7786000
  41. mmap2(0xb7789000, 10776, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7789000
  42. close(3)                                = 0
  43. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb760f000
  44. set_thread_area({entry_number:-1 -> 6, base_addr:0xb760f6c0, limit:1048575, seg_32bit:1, contents:0, read_exec_only:0, limit_in_pages:1, seg_not_present:0, useable:1}) = 0
  45. mprotect(0xb7786000, 8192, PROT_READ)   = 0
  46. mprotect(0xb77a3000, 4096, PROT_READ)   = 0
  47. mprotect(0xb77b2000, 4096, PROT_READ)   = 0
  48. mprotect(0xb77b9000, 4096, PROT_READ)   = 0
  49. mprotect(0x8055000, 4096, PROT_READ)    = 0
  50. mprotect(0xb77f9000, 4096, PROT_READ)   = 0
  51. munmap(0xb77bc000, 112860)              = 0
  52. set_tid_address(0xb760f728)             = 2701
  53. set_robust_list(0xb760f730, 0xc)        = 0
  54. futex(0xbf93befc, FUTEX_WAKE_PRIVATE, 1) = 0
  55. futex(0xbf93befc, FUTEX_WAIT_BITSET_PRIVATE|FUTEX_CLOCK_REALTIME, 1, NULL, b760f6c0) = -1 EAGAIN (Resource temporarily unavailable)
  56. rt_sigaction(SIGRTMIN, {0xb7791530, [], SA_SIGINFO}, NULL, 8) = 0
  57. rt_sigaction(SIGRT_1, {0xb77915b0, [], SA_RESTART|SA_SIGINFO}, NULL, 8) = 0
  58. rt_sigprocmask(SIG_UNBLOCK, [RTMIN RT_1], NULL, 8) = 0
  59. getrlimit(RLIMIT_STACK, {rlim_cur=8192*1024, rlim_max=RLIM_INFINITY}) = 0
  60. uname({sys="Linux", node="matthewkhouzam", ...}) = 0
  61. brk(0)                                  = 0x98e7000
  62. brk(0x9908000)                          = 0x9908000
  63. rt_sigaction(SIGCHLD, {0x80501d0, [], 0}, NULL, 8) = 0
  64. rt_sigaction(SIGTERM, {0x80501d0, [], 0}, NULL, 8) = 0
  65. getuid32()                              = 1000
  66. socket(PF_FILE, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 3
  67. connect(3, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
  68. close(3)                                = 0
  69. socket(PF_FILE, SOCK_STREAM|SOCK_CLOEXEC|SOCK_NONBLOCK, 0) = 3
  70. connect(3, {sa_family=AF_FILE, path="/var/run/nscd/socket"}, 110) = -1 ENOENT (No such file or directory)
  71. close(3)                                = 0
  72. open("/etc/nsswitch.conf", O_RDONLY)    = 3
  73. fstat64(3, {st_mode=S_IFREG|0644, st_size=513, ...}) = 0
  74. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77d7000
  75. read(3, "# /etc/nsswitch.conf\n#\n# Example"..., 4096) = 513
  76. read(3, "", 4096)                       = 0
  77. close(3)                                = 0
  78. munmap(0xb77d7000, 4096)                = 0
  79. open("/etc/ld.so.cache", O_RDONLY)      = 3
  80. fstat64(3, {st_mode=S_IFREG|0644, st_size=112860, ...}) = 0
  81. mmap2(NULL, 112860, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb77bc000
  82. close(3)                                = 0
  83. access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
  84. open("/lib/i386-linux-gnu/libnss_compat.so.2", O_RDONLY) = 3
  85. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0P\16\0\0004\0\0\0"..., 512) = 512
  86. fstat64(3, {st_mode=S_IFREG|0644, st_size=34648, ...}) = 0
  87. mmap2(NULL, 37460, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb7605000
  88. mmap2(0xb760d000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x7) = 0xb760d000
  89. close(3)                                = 0
  90. access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
  91. open("/lib/i386-linux-gnu/libnsl.so.1", O_RDONLY) = 3
  92. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\2001\0\0004\0\0\0"..., 512) = 512
  93. fstat64(3, {st_mode=S_IFREG|0644, st_size=92020, ...}) = 0
  94. mmap2(NULL, 100328, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb75ec000
  95. mmap2(0xb7601000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x15) = 0xb7601000
  96. mmap2(0xb7603000, 6120, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_ANONYMOUS, -1, 0) = 0xb7603000
  97. close(3)                                = 0
  98. mprotect(0xb7601000, 4096, PROT_READ)   = 0
  99. mprotect(0xb760d000, 4096, PROT_READ)   = 0
  100. munmap(0xb77bc000, 112860)              = 0
  101. open("/etc/ld.so.cache", O_RDONLY)      = 3
  102. fstat64(3, {st_mode=S_IFREG|0644, st_size=112860, ...}) = 0
  103. mmap2(NULL, 112860, PROT_READ, MAP_PRIVATE, 3, 0) = 0xb77bc000
  104. close(3)                                = 0
  105. access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
  106. open("/lib/i386-linux-gnu/libnss_nis.so.2", O_RDONLY) = 3
  107. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\200\31\0\0004\0\0\0"..., 512) = 512
  108. fstat64(3, {st_mode=S_IFREG|0644, st_size=42656, ...}) = 0
  109. mmap2(NULL, 45632, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb75e0000
  110. mmap2(0xb75ea000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0x9) = 0xb75ea000
  111. close(3)                                = 0
  112. access("/etc/ld.so.nohwcap", F_OK)      = -1 ENOENT (No such file or directory)
  113. open("/lib/i386-linux-gnu/libnss_files.so.2", O_RDONLY) = 3
  114. read(3, "\177ELF\1\1\1\0\0\0\0\0\0\0\0\0\3\0\3\0\1\0\0\0\340\32\0\0004\0\0\0"..., 512) = 512
  115. fstat64(3, {st_mode=S_IFREG|0644, st_size=46736, ...}) = 0
  116. mmap2(NULL, 49880, PROT_READ|PROT_EXEC, MAP_PRIVATE|MAP_DENYWRITE, 3, 0) = 0xb75d3000
  117. mmap2(0xb75de000, 8192, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_FIXED|MAP_DENYWRITE, 3, 0xa) = 0xb75de000
  118. close(3)                                = 0
  119. mprotect(0xb75de000, 4096, PROT_READ)   = 0
  120. mprotect(0xb75ea000, 4096, PROT_READ)   = 0
  121. munmap(0xb77bc000, 112860)              = 0
  122. open("/etc/group", O_RDONLY|O_CLOEXEC)  = 3
  123. fcntl64(3, F_GETFD)                     = 0x1 (flags FD_CLOEXEC)
  124. _llseek(3, 0, [0], SEEK_CUR)            = 0
  125. fstat64(3, {st_mode=S_IFREG|0644, st_size=1060, ...}) = 0
  126. mmap2(NULL, 1060, PROT_READ, MAP_SHARED, 3, 0) = 0xb77d7000
  127. _llseek(3, 1060, [1060], SEEK_SET)      = 0
  128. munmap(0xb77d7000, 1060)                = 0
  129. close(3)                                = 0
  130. getgroups32(0, NULL)                    = 9
  131. getgroups32(9, [4, 20, 24, 46, 105, 119, 122, 1000, 1001]) = 9
  132. access("/var/run/lttng/client-lttng-sessiond", F_OK) = -1 ENOENT (No such file or directory)
  133. access("/home/ematkho/.lttng/client-lttng-sessiond", F_OK) = -1 ENOENT (No such file or directory)
  134. write(2, "Spawning a session daemon\n", 26Spawning a session daemon
  135. ) = 26
  136. clone(child_stack=0, flags=CLONE_CHILD_CLEARTID|CLONE_CHILD_SETTID|SIGCHLD, child_tidptr=0xb760f728) = 2702
  137. pause()                                 = ? ERESTARTNOHAND (To be restarted)
  138. --- SIGCHLD (Child exited) @ 0 (0) ---
  139. write(2, "DEBUG1: SIGCHLD catched [in sigh"..., 57DEBUG1: SIGCHLD catched [in sighandler() at lttng.c:179]
  140. ) = 57
  141. sigreturn()                             = ? (mask now [])
  142. time(NULL)                              = 1326236492
  143. open("/etc/localtime", O_RDONLY)        = 3
  144. fstat64(3, {st_mode=S_IFREG|0644, st_size=3477, ...}) = 0
  145. fstat64(3, {st_mode=S_IFREG|0644, st_size=3477, ...}) = 0
  146. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77d7000
  147. read(3, "TZif2\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\4\0\0\0\4\0\0\0\0"..., 4096) = 3477
  148. _llseek(3, -24, [3453], SEEK_CUR)       = 0
  149. read(3, "\nEST5EDT,M3.2.0,M11.1.0\n", 4096) = 24
  150. close(3)                                = 0
  151. munmap(0xb77d7000, 4096)                = 0
  152. getuid32()                              = 1000
  153. open("/etc/group", O_RDONLY|O_CLOEXEC)  = 3
  154. _llseek(3, 0, [0], SEEK_CUR)            = 0
  155. fstat64(3, {st_mode=S_IFREG|0644, st_size=1060, ...}) = 0
  156. mmap2(NULL, 1060, PROT_READ, MAP_SHARED, 3, 0) = 0xb77d7000
  157. _llseek(3, 1060, [1060], SEEK_SET)      = 0
  158. munmap(0xb77d7000, 1060)                = 0
  159. close(3)                                = 0
  160. getgroups32(0, NULL)                    = 9
  161. getgroups32(9, [4, 20, 24, 46, 105, 119, 122, 1000, 1001]) = 9
  162. access("/var/run/lttng/client-lttng-sessiond", F_OK) = -1 ENOENT (No such file or directory)
  163. socket(PF_FILE, SOCK_STREAM, 0)         = 3
  164. connect(3, {sa_family=AF_FILE, path="/home/ematkho/.lttng/client-lttng-sessiond"}, 110) = 0
  165. geteuid32()                             = 1000
  166. getegid32()                             = 1000
  167. sendmsg(3, {msg_name(0)=NULL, msg_iov(1)=[{"\10\0\0\0session\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"..., 8716}], msg_controllen=24, {cmsg_len=24, cmsg_level=SOL_SOCKET, cmsg_type=SCM_CREDENTIALS{pid=2701, uid=1000, gid=1000}}, msg_flags=0}, 0) = 8716
  168. recvmsg(3, {msg_name(0)=NULL, msg_iov(1)=[{"\10\0\0\0\350\3\0\0\0\0\0\0\0\0\0\0", 16}], msg_controllen=0, msg_flags=0}, 0) = 16
  169. shutdown(3, 2 /* send and receive */)   = 0
  170. open("/home/ematkho/.lttngrc", O_RDWR|O_CREAT|O_TRUNC, 0666) = 4
  171. close(4)                                = 0
  172. open("/home/ematkho/.lttngrc", O_WRONLY|O_CREAT|O_APPEND, 0666) = 4
  173. fstat64(4, {st_mode=S_IFREG|0664, st_size=0, ...}) = 0
  174. mmap2(NULL, 4096, PROT_READ|PROT_WRITE, MAP_PRIVATE|MAP_ANONYMOUS, -1, 0) = 0xb77d7000
  175. fstat64(4, {st_mode=S_IFREG|0664, st_size=0, ...}) = 0
  176. _llseek(4, 0, [0], SEEK_SET)            = 0
  177. write(4, "session=session\n", 16)       = 16
  178. close(4)                                = 0
  179. munmap(0xb77d7000, 4096)                = 0
  180. write(2, "DEBUG1: Init config session in /"..., 78DEBUG1: Init config session in /home/ematkho [in config_init() at conf.c:249]
  181. ) = 78
  182. write(2, "Session session created.\n", 25Session session created.
  183. ) = 25
  184. write(2, "Traces will be written in /home/"..., 77Traces will be written in /home/ematkho/lttng-traces/session-20120110-180132
  185. ) = 77
  186. exit_group(0)                           = ?
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